MEME version 4 ALPHABET= ACGT strands: + - Background letter frequencies A 0.25 C 0.25 G 0.25 T 0.25 MOTIF Lung_E15.5_H3K27me3_53_35_0.510_2.583044e-22 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 0.134214 0.851405 0.0 0.014381 0.054852 0.023512 0.921636 0.0 0.015323 0.96345 0.011598 0.009629 0.038658 0.837671 0.065184 0.058487 0.053741 0.907686 0.018865 0.019708 0.303183 0.0 0.045609 0.651208 0.079327 0.795008 0.045157 0.080509 0.354965 0.608025 0.020554 0.016457 0.021655 0.92328 0.031616 0.02345 MOTIF Midbrain_E14.5_H3K4me1_45_54_0.522_6.916583e-27 letter-probability matrix: alength= 4 w= 9 nsites= 100 E= 1.0e-1 1.0 0.0 0.0 0.0 0.283185 0.716815 0.0 0.0 0.0 0.0 1.0 0.0 0.0 0.962878 0.037122 0.0 0.056155 0.871699 0.018936 0.05321 0.090309 0.800099 0.004813 0.104779 0.03976 0.0 0.014464 0.945776 0.02294 0.65442 0.0 0.32264 0.166225 0.793744 0.040031 0.0